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Fit Health Regimenleft a comment
We built the Caffeine Half-Life Calculator to address a real-life gap—most people underestimate how long caffeine stays in their system, leading to: - Poor sleep quality - Afternoon crashes - Mismanaged energy levels Unlike basic caffeine timers, this tool is science-backed and personalised. It goes beyond simple math to factor in: - Metabolism rate - Caffeine sensitivity (Low to Very High) -...
Caffeine Half-Life CalculatorTrack how long caffeine stays in your body & optimize sleep
Estimate how long caffeine stays in your system with our Caffeine Half-Life Calculator. Track energy levels, sleep disruption, and dose timing using science-based metabolism models tailored to your sensitivity and lifestyle.
Caffeine Half-Life CalculatorTrack how long caffeine stays in your body & optimize sleep
Estimate training intensity and load with our RPE Calculator. Use the Rate of Perceived Exertion to plan personalized strength training, adjust effort in real time, and make smarter progress with every workout. Ideal for lifters and coaches alike.
RPE Calculator RPE Calculator for Smarter, Safer Lifting
Fit Health Regimenleft a comment
We’re excited to launch the RPE Calculator — your new go-to tool for training smarter, not just harder. Whether you're a strength athlete, coach, or just training for longevity, RPE (Rate of Perceived Exertion) helps you autoregulate your workouts by adjusting intensity based on how you feel, not just fixed percentages. This calculator makes it easy to: - Estimate working weight based on your...
RPE Calculator RPE Calculator for Smarter, Safer Lifting